12mL Cartridge w/1g SPE Amide-2, 20/pk Back Catalog number: 4827 Availability: In the manufacturer's stock Price on request - + Recommended 730010 Chromab. columns C18 ec f, 6mL, 1000mg 3 198,00 Kč 731771 Chromafix HR-XAW (S) 5 902,00 Kč 730033G Chromab. columns NH2, 3mL, 500mg 8 970,00 Kč